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The future of the Earth and of human civilization now depends greatly on a single number: 350 - the concentration of carbon dioxide (CO2) in the atmosphere. If we want to preserve a world similar to the one in which human civilization developed, scientists have concluded that we need to stabilize the level of CO2 below 350 parts per million (ppm). Achieving that objective means moving rapidly away from fossil fuels and toward climate-safe forms of energy that human beings can rely on indefinitely.
Motivated by the goal of avoiding dangerous climate change, American academic and author Bill McKibben founded 350.org in 2007. The group is committed to using creative non-violent means to build a global movement to stop the climate crisis. Toronto350.org is the leading organization in the Toronto area pushing for climate safety. We are totally volunteer-driven and growing all the time, so please get in touch about how you can help confront the great challenge of our time.